AMD Radeon HD 8590M vs AMD Radeon R9 M280X

VS

AMD Radeon HD 8590M

AMD Radeon R9 M280X

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8590M and 4GB VRAM Radeon R9 M280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M280X 's Advantages

Released 1 years and 11 months late

Boost Clock has increased by 21% (1000MHz vs 825MHz)

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (88.00GB/s vs 36.00GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8590M

0.528 TFLOPS

Radeon R9 M280X +239%

1.792 TFLOPS

Radeon HD 8590M

VS

Radeon R9 M280X

Graphics Card

Mar 2013

Release Date

Feb 2015

Solar System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

750 MHz

Base Clock

900 MHz

825 MHz

Boost Clock

1000 MHz

1125 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

36.00GB/s

Bandwidth

88.00GB/s

Render Config

5

Compute Units

14

-

320

Shading Units

896

20

TMUs

56

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

16.00 GPixel/s

16.50 GTexel/s

Texture Rate

56.00 GTexel/s

-

528.0 GFLOPS

FP32 (float)

1.792 TFLOPS

33.00 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Sun

GPU Name

Saturn

-

GPU Variant

Saturn XT (216-0843024)

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

2.08 billion

56 mm²

Die Size

160 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5

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